speaking-- urging them to listen to the american public and to the law enforcement community and support a ban on the further manufacture of military-style assault weapons. >> suarez: additionally, the obama plan calls for congress to order background checks for all gun sales, ending the so-called "gun show loophole." and it seeks stiffer penalties for people who sell guns to criminals. all told, the plan would cost some $500 million. and president obama said, "it's going to take some heavy political lifting." >> this will be difficult. there will be pundits and politicians and politicians and special interest lobbyists publicly warning of a tyrannical all-out assault on liberty, not because that's true but because they want to gin up fear or higher ratings or revenue for themselves. and behind the scenes they'll do everything they can to block any common-sense reform and make sure nothing changes whatsoever. >> suarez: even before the president spoke, david keene, head of the national rifle association, dismissed the plan, in an interview with judy woodruff last night on "the newshour."